.file-viewer {
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 5px 0;
}

.file-tree-name {
  line-height: 24px;
  white-space: nowrap;
  text-overflow: ellipsis;
  width: 100%;
  overflow: hidden;
  padding-right: 5px;
}
.file-tree-name:hover {
  background-color: rgba(256, 256, 256, .1);
}

.file-tree-children {
  display: none;
}
.file-tree-children.is-show {
  display: block;
}